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about STEREO-A close approach to Earth, August 2023
Positions of STEREO A and B for 28-Apr-2024 19:00 UT
This figure plots the current positions of the STEREO Ahead (red) and Behind
(blue) spacecraft relative to the Sun (yellow) and Earth (green). The dotted
lines show the angular displacement from the Sun. Units are in A.U.
When the two spacecraft are close to Earth, an expanded view of the region
around Earth will appear on the right, in the same orientation as the
Sun-centered view.
Other resources:
STEREO-B Earth STEREO-A Parker SP Solar Orbiter BepiColombo
Heliocentric distance (AU) 1.034304 1.006965 0.957607 0.681477 0.562387 0.469431
Semidiameter (arcsec) 927.801 952.990 1002.110 1408.158 1706.349 2044.236
HCI longitude 127.178 143.091 154.638 242.509 302.276 239.746
HCI latitude -5.908 -4.367 -3.080 3.447 7.994 0.433
Carrington longitude 85.744 101.657 113.204 201.076 260.842 198.312
Carrington rotation number 2283.762 2283.718 2283.686 2283.441 2283.275 2283.449
Heliographic (HEEQ) longitude -15.913 0.000 11.547 99.418 159.185 96.655
Heliographic (HEEQ) latitude -5.908 -4.367 -3.080 3.447 7.994 0.433
HAE longitude 202.713 218.636 230.230 318.288 17.709 315.339
Earth Ecliptic (HEE) longitude -15.923 -0.000 11.594 99.653 159.073 96.703
Earth Ecliptic (HEE) latitude -0.120 0.000 0.036 -2.990 1.851 -5.829
Roll from ecliptic north -0.425 -0.179
Roll from solar north -4.799 -6.728
Light travel time to Earth (min) 2.362 1.700 10.871 12.852 9.643
Separation angle with Earth 15.923 11.594 99.639 158.995 96.669
Separation angle A with B 27.517
Carrington rotation 2283 runs from 2024-04-09 05:32 (DOY 100.23) to
2024-05-06 11:35 (DOY 127.48), as seen from Earth.
Last Revised: Sunday, 28-Apr-2024 19:01:06 UTC
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